Huang Bin,Luan Jianfeng,Chen Yeting,et al.Modification of grafting poly (butylene terephthalate) nonwoven[J].Journal of Southeast University (Natural Science Edition),2011,41(4):772-777.[doi:10.3969/j.issn.1001-0505.2011.04.022]





Modification of grafting poly (butylene terephthalate) nonwoven
Huang Bin1Luan Jianfeng2Chen Yeting3Lu Zuhong1
(1School of Biological Science and Medical Engineering, Southeast University, Nanjing 210009, China)
(2Transfusion Section,Nanjing General Hospital of Nanjing Military Command, Nanjing 210002, China)
(3College of Life Science,Nanjing Normal University, Nanjing 210046, China)
poly (butylene terephthalate) acrylamide chitosan graft blood compatibility
采用化学接枝方法,对聚对苯二甲酸丁二醇酯非织造布进行改性,提高其表面润湿性并使其具有良好的血液相容性.以过氧化苯甲酰为引发剂,丙烯酰胺和壳聚糖为接枝单体,烷基糖苷为溶胀剂在氮气保护下对聚对苯二甲酸丁二醇酯进行接枝共聚反应.研究了接枝单体丙烯酰胺和壳聚糖的浓度、反应时间和温度等因素对接枝共聚反应的影响.通过FTIR,XRD,TG和SEM比较接枝前后PBTNW的表征得出接枝数据.结果表明:接枝单体丙烯酰胺浓度为3.0%,壳聚糖浓度为0.05%,反应时间为60 min,反应温度为70 ℃时接枝效果最佳.经改性的材料,其表面亲水性及组织相溶性均得到了明显的提高,使其更适用于血液过滤材料.
Surface modification of poly (butylene terephthalate) nonwoven (PBTNW)was achieved by grafting in order to improve the wettability and hemocompatibility. Graft-polymerization of chitosan(CS) and acrylamide(AM) onto PBTNW induced by alkylpolyglycoside (APG) using benzoyl peroxide (BPO) as an initiator was carried out under nitrogen atmosphere. The effects of chitosan, acrylamide concentration, reaction temperature and duration of graft-polymerization were studied. Evidence of grafting was obtained by comparing FT-IR spectra, RAMAN, XRD, TG and scanning electron microscopy images of original PBTNW and the grafted copolymer. It is shown that to achieve an optimal grafting results the concentration of chitosan and acrylamide are 3. 0% and 0. 05%, respectively, with reaction time of 60 min and reaction temperature of 70 ℃ . The chitosan-grafted PBTNW exhibits a hydrophilic character and hemocompatibility. The chitosan and acrylamide modified PBTNW is applicable as a blood filter material.


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引文格式: 黄斌,栾建凤,陈叶廷,等.聚对苯二甲酸丁二醇酯非织造布的接枝改性[J].东南大学学报:自然科学版,2011,41(4):772-777.[doi:10.3969/j.issn.1001-0505.2011.04.022]
更新日期/Last Update: 2011-07-20